summaryrefslogtreecommitdiff
path: root/net/xdp
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2024-09-15 09:12:21 -0700
committerJakub Kicinski <kuba@kernel.org>2024-09-15 09:13:19 -0700
commit3561373114c8b3359114e2da27259317dc51145a (patch)
tree3885239a7987bc96fc9eb3684f77ff4d9e42eef7 /net/xdp
parentbe461814aa4cb32aae061404b9a6a83ef3895018 (diff)
parent7052622fccb1efb850c6b55de477f65d03525a30 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.12 net-next PR. No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/xdp')
-rw-r--r--net/xdp/xsk_buff_pool.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 56edb98e5b47..521a2938e50a 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -628,20 +628,31 @@ static u32 xp_alloc_reused(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u3
return nb_entries;
}
-u32 xp_alloc_batch(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u32 max)
+static u32 xp_alloc_slow(struct xsk_buff_pool *pool, struct xdp_buff **xdp,
+ u32 max)
{
- u32 nb_entries1 = 0, nb_entries2;
+ int i;
- if (unlikely(pool->dev && dma_dev_need_sync(pool->dev))) {
+ for (i = 0; i < max; i++) {
struct xdp_buff *buff;
- /* Slow path */
buff = xp_alloc(pool);
- if (buff)
- *xdp = buff;
- return !!buff;
+ if (unlikely(!buff))
+ return i;
+ *xdp = buff;
+ xdp++;
}
+ return max;
+}
+
+u32 xp_alloc_batch(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u32 max)
+{
+ u32 nb_entries1 = 0, nb_entries2;
+
+ if (unlikely(pool->dev && dma_dev_need_sync(pool->dev)))
+ return xp_alloc_slow(pool, xdp, max);
+
if (unlikely(pool->free_list_cnt)) {
nb_entries1 = xp_alloc_reused(pool, xdp, max);
if (nb_entries1 == max)